Single Crystal Quartz Wafers

Single Crystal Quartz Wafers

Our abundance experience at growing and mass production for piezo grade quartz . We are equipped with advanced facilities at Crystal growing, wafer lapping, polishing and checking. 

 

Our R&D is active at developing and researching from big material to process 8” quartz wafer or more.

Find here details of CQT selling lithium niobate wafer, lithium tantanlate wafer, piezo single crystal blanks and glass substrates for biochemistry.

Product Parameters

Material

Quartz Crystal

Cutting Angle

X/Y/Z/AT32、33、36/BT/ST42.75°-cut etc

Diameter/size

3”(76.2mm)

4” (100mm)

6"(150mm)

8"(200mm)

Tol(±)

<0.20 mm

Thinnest Thickness

       

Primary Flat

22mm

 32mm

   

LTV (5mmx5mm)

 <1µm

TTV

 <3µm

Bow

-30<bow<30

Warp

<40µm

PLTV(<0.5um)

≥95%(5mm*5mm)

Orientation Flat

All available

Surface Type

Single Side Polished /Double Sides Polished

Polished side Ra

<0.5nm

Back Side Criteria

General is 0.2-0.5µm or as customized

Edge Criteria

R=0.2mm or Bullnose

Material Property

ECD

Better than grade 4

Inclusion

Better than grade II

Q-Value

Better than grade C

Wafer Surface Criteria

Particles ¢>0.3 µ  m

<= 30

Scratch , Chipping

None

Defect

No edge cracks, scratches, saw marks, stains

Packaging

Qty/Wafer box

25pcs per box 

 

CQT dedicated to produce series glass wafers, fused silica wafers, SAW grade lithium tantalate wafers, optical grade lithium tantalate wafers, SAW grade lithium niobate wafers, optical grade lithium niobate wafers. CQT is a leading Chinese manufacturer who involves in piezoelectric crystals, surface acoustic wave filters and the single crystal growth.

 




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